CN109727602A - A kind of method for recognizing sound-groove and device of mobile device terminal - Google Patents
A kind of method for recognizing sound-groove and device of mobile device terminal Download PDFInfo
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Abstract
The present invention discloses the method for recognizing sound-groove and device of a kind of mobile device terminal, wherein this method comprises: acquisition recording data；Interception wakes up audio from the recording data that triggering wakes up library；When the signal-to-noise ratio for waking up audio is less than first threshold, the wake-up audio that signal-to-noise ratio is greater than first threshold is carried out gender identification when the signal-to-noise ratio for waking up audio is not less than first threshold by the step of interception wake-up audio again.The wake-up audio is registered into vocal print；According to the registration successful number of vocal print, it is determined whether start the Application on Voiceprint Recognition function of mobile device terminal.This programme passes through in awakening phase, the audio of specific content is extracted using arousal function, such as wake up audio, pass through the comparison with first threshold, the audio of high-quality signal-to-noise ratio is filtered out, and by repeating to extract the satisfactory audio of signal-to-noise ratio, has both filtered out good quality audio, also the size in vocal print library is controlled, also reduces the time-consuming of Application on Voiceprint Recognition while promoting Application on Voiceprint Recognition rate to realize.
Description
Technical field
The present invention relates to the method for recognizing sound-groove and dress of technical field of voice recognition more particularly to a kind of mobile device terminal
It sets.
Background technique
In existing speech recognition technology, collected vocal print is usually carried out to the retrieval of 1:N in the database with 1:1's
Known users vocal print in speaker's voiceprint and library is carried out the retrieval of 1:N, and speaker's vocal print is believed by comparison
Breath carries out 1:1 comparison with the known users vocal print in library.The comparison contrast verification process of 1:1 is single, believes sound
Breath does not refine, and can not identify that the probability of vocal print is higher, not be further processed to acoustic information, it is easy to can not be verified.
And the retrieval for 1:N, retrieval vocal print is time-consuming, and vocal print library is bigger, and it is time-consuming more serious, vocal print library is not limited, recall precision
It is low.In addition, acquiring high-quality voiceprint generally requires the quiet environment of comparison, if not doing content and signal-to-noise ratio to audio-frequency information
(i.e. SIGNAL-NOISE RATIO, snr) delete choosing if, it is easy to there is vocal print function using abnormal, if it is desired to reaching excellent
If the vocal print effect of matter, staff needs to delete choosing one by one manually, and process is complicated, takes time and effort.
Summary of the invention
The embodiment of the present invention provides the method for recognizing sound-groove and device of a kind of mobile device terminal, above-mentioned at least solving
One of technical problem.
In a first aspect, in order to achieve the above objectives, the embodiment of the present invention provides a kind of Application on Voiceprint Recognition side of mobile device terminal
Method, this method comprises: acquisition recording data；Interception wakes up audio from the recording data that triggering wakes up library；
The wake-up audio that signal-to-noise ratio is greater than first threshold is subjected to gender identification；By the wake-up after the progress gender identification
Audio registers vocal print；According to the registration successful number of vocal print, it is determined whether start the Application on Voiceprint Recognition function of the mobile device terminal
Energy.
In a kind of feasible embodiment, gender identification is carried out in the wake-up audio that signal-to-noise ratio is greater than first threshold
The step of before, the method also includes:
The signal-to-noise ratio for waking up audio is compared with the first threshold；And it is small in the signal-to-noise ratio for waking up audio
In the case where the first threshold, the step that the interception from the recording data that triggering wakes up library wakes up audio is re-executed
Suddenly.
In a kind of feasible embodiment, the first threshold is 0.5.
It is described according to the registration successful number of vocal print, it is determined whether to start the movement in a kind of feasible embodiment
The step of Application on Voiceprint Recognition function of device end, comprising:
When the successful number of the registration vocal print reaches second threshold, start the Application on Voiceprint Recognition of the mobile device terminal
Function.
In a kind of feasible embodiment, the second threshold is not less than 3, and is not more than 10.
Second aspect, corresponding to above-mentioned in a first aspect, the embodiment of the present invention also provides a kind of vocal print of mobile device terminal
Identification device, for executing the above method.The device includes:
Sound pick-up outfit, for acquiring recording data；
Library is waken up, for the interception wake-up audio from the recording data that triggering wakes up library；
Gender identifies library, and the wake-up audio for signal-to-noise ratio to be greater than to first threshold carries out gender identification；
Registration module, for the wake-up audio after the progress gender identification to be registered vocal print；
First control module, for according to the registration successful number of vocal print, it is determined whether start the mobile device terminal
Application on Voiceprint Recognition function.
In a kind of feasible embodiment, described device further include:
Second control module, for comparing the signal-to-noise ratio for waking up audio with the first threshold；And described
In the case that the signal-to-noise ratio of wake-up audio is less than the first threshold, the wake-up library is controlled again from the triggering wake-up library
Interception wakes up audio in recording data.
In a kind of feasible embodiment, the first threshold is 0.5.
In a kind of feasible embodiment, when the successful number of the registration vocal print reaches second threshold, described first
Control module starts the Application on Voiceprint Recognition function of the mobile device terminal.
In a kind of feasible embodiment, the second threshold is not less than 3, and is not more than 10.
The third aspect, the embodiment of the present invention also provide a kind of electronic equipment comprising: at least one processor, Yi Jiyu
The memory of at least one processor communication connection, wherein the memory is stored with can be by least one described processing
The instruction that device executes, described instruction is executed by least one described processor, so that at least one described processor is able to carry out
The step of any one of above-mentioned first aspect the method.
Fourth aspect, the embodiment of the present invention also provide a kind of storage medium, are stored thereon with computer program, and feature exists
In the program realizes any one of above-mentioned first aspect the method when being executed by processor the step of.
The beneficial effect of the embodiment of the present invention is: in awakening phase, the audio of specific content is extracted using arousal function
(as waken up audio) filters out the audio of high-quality signal-to-noise ratio by the comparison with first threshold, and by repeating to extract 3-10
The satisfactory audio of section (i.e. wake-up audio of the signal-to-noise ratio greater than first threshold), has both filtered out good quality audio, has also controlled
The size in vocal print library also reduces the time-consuming of Application on Voiceprint Recognition while promoting Application on Voiceprint Recognition rate to realize.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, drawings in the following description are some embodiments of the invention, for this field
For those of ordinary skill, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of flow chart of the method for recognizing sound-groove of mobile device terminal provided in an embodiment of the present invention；
Fig. 2 is a kind of structural block diagram of the voice print identification device of mobile device terminal provided in an embodiment of the present invention；
Fig. 3 is the flow diagram that Fig. 2 shown device executes that method shown in Fig. 1 is.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
The present invention can describe in the general context of computer-executable instructions executed by a computer, such as program
Module.Generally, program module includes routines performing specific tasks or implementing specific abstract data types, programs, objects, member
Part, data structure etc..The present invention can also be practiced in a distributed computing environment, in these distributed computing environments, by
Task is executed by the connected remote processing devices of communication network.In a distributed computing environment, program module can be with
In the local and remote computer storage media including storage equipment.
In the present invention, the fingers such as " module ", " device ", " system " are applied to the related entities of computer, such as hardware, hardware
Combination, software or software in execution with software etc..In detail, for example, element can with but be not limited to run on processing
Process, processor, object, executable element, execution thread, program and/or the computer of device.In addition, running on server
Application program or shell script, server can be element.One or more elements can be in the process and/or thread of execution
In, and element can be localized and/or be distributed between two or multiple stage computers on one computer, and can be by each
Kind computer-readable medium operation.Element can also according to the signal with one or more data packets, for example, from one with
Another element interacts in local system, distributed system, and/or the network in internet passes through signal and other system interactions
The signals of data communicated by locally and/or remotely process.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise", not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or equipment institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence " including ... ", it is not excluded that including described want
There is also other identical elements in the process, method, article or equipment of element.
Fig. 1 is a kind of flow chart of the method for recognizing sound-groove of mobile device terminal provided in an embodiment of the present invention.This method
It can be used for integrating the equipment end of Application on Voiceprint Recognition function.As shown in Figure 1, method includes the following steps:
S101: acquisition recording data.
Specifically, the sound-recording function in mobile device terminal can be called to be acquired recording data, in case subsequent by the record
Sound data, which input to, wakes up library, to trigger the wake-up library.
S102: interception wakes up audio from the recording data that triggering wakes up library.
Specifically, it when there is recording data to trigger the wake-ups library, i.e., is being triggered in the library that wakes up by recording data
In the case of, the library that wakes up interception can wake up audio from the recording data that triggering wakes up library.
S103: the wake-up audio that signal-to-noise ratio is greater than first threshold is subjected to gender identification.
Specifically, after getting wake-up audio, the wake-up audio that signal-to-noise ratio can be greater than to first threshold carries out gender knowledge
Not.The value of the first threshold can be set according to different scenes, can in the application scenarios of less demanding to Application on Voiceprint Recognition
Lower first threshold is set, in the application scenarios more demanding to Application on Voiceprint Recognition, higher first threshold can be set.Described
One threshold value is preferably 0.5, is easier to obtain in the audio daily life of the value signal-to-noise ratio, is commonly used as vocal print accuracy rate.The noise
More relatively reasonable than value, usage scenario is relatively common.
S104: the wake-up audio after the progress gender identification is registered into vocal print.
Specifically, the wake-up audio after gender identifies is registered into vocal print, and the result for whether registering work is fed back.
S105: according to the registration successful number of vocal print, it is determined whether start the Application on Voiceprint Recognition function of the mobile device terminal
Energy.
Specifically, the record registration successful number of vocal print, i.e. cumulative number.When the successful cumulative number of the registration vocal print
When reaching second threshold, start the Application on Voiceprint Recognition function of the mobile device terminal.
In specific implementation, the time-consuming of Application on Voiceprint Recognition process is often influenced whether to the value of the second threshold.If
It obtains that 10 above and the satisfactory wake-up audio of signal-to-noise ratio (i.e. 10 or more and registers vocal print and successfully wakes up audio and all believe
It makes an uproar than being greater than first threshold.), it (registers vocal print success cumulative number after registering vocal print and is greater than 10.) after, restart Application on Voiceprint Recognition
Function can then find that user experience is also bad than relatively time-consuming, and not high to the promotion of subsequent Application on Voiceprint Recognition accuracy rate.If
It obtains that 3 following and the satisfactory wake-up audio of signal-to-noise ratio (i.e. 3 or more and registers vocal print and successfully wakes up audio all noises
Than being greater than first threshold.), it (registers vocal print success cumulative number after registering vocal print and is greater than 3.) after, restart Application on Voiceprint Recognition function
Can, then it can be found that while that time-consuming is smaller, but subsequent Application on Voiceprint Recognition accuracy rate is not high.Therefore, the present embodiment preferably described second
Threshold value is not less than 3, and is not more than 10, registers vocal print by using the higher wake-up audio of s signal-to-noise ratio is extracted, and select reasonable
Item number makes user's successful registration audio in wakeup process, had both improved Application on Voiceprint Recognition accuracy rate, rationally control time-consuming, and had also controlled
The audio quantity in vocal print library, recall precision is high, and user experience is good.
Optionally, in other embodiment, signal-to-noise ratio can be greater than the first threshold described before step S103
Before the wake-up audio of value carries out the step of gender identification, the signal-to-noise ratio for waking up audio is compared with the first threshold；
And in the case where the signal-to-noise ratio for waking up audio is less than the first threshold, 102 are re-execute the steps, i.e., again from touching
Interception wakes up audio and filters out good wake-up to filter out second-rate wake-up audio in the recording data in hair wake-up library
Audio, to improve the quality of registration vocal print.
Fig. 2 is a kind of structural block diagram of the voice print identification device of mobile device terminal provided in an embodiment of the present invention.The dress
Setting, which may be provided in mobile device terminal, runs, for executing method shown in Fig. 1 and above-mentioned enforceable other methods step.It should
Device includes:
Sound pick-up outfit 201, for acquiring recording data.
Library 202 is waken up, for the interception wake-up audio from the recording data that triggering wakes up library.
Gender identifies library 203, and the wake-up audio for signal-to-noise ratio to be greater than to first threshold carries out gender identification.
Registration module 204, for the wake-up audio after the progress gender identification to be registered vocal print.
First control module 205, for according to the registration successful number of vocal print, it is determined whether it is whole to start the mobile device
The Application on Voiceprint Recognition function at end.I.e. when the successful number of the registration vocal print reaches second threshold, first control module is opened
Move the Application on Voiceprint Recognition function of the mobile device terminal.
Second control module 206, for comparing the signal-to-noise ratio for waking up audio with the first threshold；And institute
State wake up audio signal-to-noise ratio be less than the first threshold in the case where, control the wake-up library 202 again from calling out described in triggering
Interception wakes up audio in the recording data in awake library.
It should be noted that Fig. 2 shown device can join the implementation procedure content of method shown in Fig. 1 and other improved methods
The specific steps content of method shown in Fig. 1 and above-mentioned other improvements method is examined, details are not described herein again.With reference to as shown in figure 3, conduct
The present apparatus is arranged in mobile device terminal and runs by one example, as follows to the implementation procedure of method shown in Fig. 1:
Sdk first (i.e. software development kit, software development kit) initialization, the record of mobile device terminal
Sound equipment (recorder) starting starts to record, and acquires recording data, and recording data is inputted and wakes up library.If the recording data
Triggering wakes up library, then wakes up library interception and wake up audio.Second control module judges the signal-to-noise ratio and the first threshold for waking up audio
Value compares, and if it does not meet the requirements (the i.e. described signal-to-noise ratio for waking up audio is less than the first threshold), then wakes up library and cuts again
Take wake-up audio.It is described if met the requirements (the i.e. described signal-to-noise ratio for waking up audio is greater than or equal to the first threshold)
It wakes up audio and is sent into gender identification library.Gender identifies that library by after the wake-up audio identification gender, is sent to registration module.Registration
Module carries out registration vocal print to the wake-up audio, and registering result is fed back to the first control module.First control module is tired
The meter registration successful cumulative number of vocal print, if after cumulative number reaches second threshold (such as 3 times), using the registration sound
Line, and start the Application on Voiceprint Recognition function of the mobile device terminal.
The embodiment of the present invention also provides a kind of electronic equipment comprising: at least one processor, and with described at least one
The memory of a processor communication connection, wherein the memory is stored with the finger that can be executed by least one described processor
It enables, described instruction is executed by least one described processor, so that at least one described processor is able to carry out method shown in Fig. 1
And the step of any one of above-mentioned other improvements method the method.
The embodiment of the present invention also provides a kind of storage medium, is stored thereon with computer program, which is characterized in that the program
The step of any one of method shown in above-mentioned Fig. 1 and above-mentioned other improvements method the method are realized when being executed by processor.
It should be noted that for the various method embodiments described above, for simple description, therefore, it is stated as a series of
Movement merge, but those skilled in the art should understand that, the present invention is not limited by the sequence of acts described because
According to the present invention, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art should also know
It knows, the embodiments described in the specification are all preferred embodiments, and related actions and modules is not necessarily of the invention
It is necessary.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, reference can be made to the related descriptions of other embodiments.
The electronic equipment of the embodiment of the present application and mobile device terminal with Application on Voiceprint Recognition function exist in a variety of forms,
Including but not limited to:
(1) mobile communication equipment: the characteristics of this kind of equipment is that have mobile communication function, and to provide speech, data
Communication is main target.This Terminal Type includes: smart phone (such as iPhone), multimedia handset, functional mobile phone and low
Hold mobile phone etc..
(2) super mobile personal computer equipment: this kind of equipment belongs to the scope of personal computer, there is calculating and processing function
Can, generally also have mobile Internet access characteristic.This Terminal Type includes: PDA, MID and UMPC equipment etc., such as iPad.
(3) portable entertainment device: this kind of equipment can show and play multimedia content.Such equipment include: audio,
Video player (such as iPod), handheld device, e-book and intelligent toy and portable car-mounted navigation equipment.
(4) server: providing the equipment of the service of calculating, and the composition of server includes that processor, hard disk, memory, system are total
Line etc., server is similar with general computer architecture, but due to needing to provide highly reliable service, in processing energy
Power, stability, reliability, safety, scalability, manageability etc. are more demanding.
(5) other are with/the electronic device with Application on Voiceprint Recognition function.
The apparatus embodiments described above are merely exemplary, wherein described, unit can as illustrated by the separation member
It is physically separated with being or may not be, component shown as a unit may or may not be physics list
Member, it can it is in one place, or may be distributed over multiple network units.It can be selected according to the actual needs
In some or all of the modules achieve the purpose of the solution of this embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It is realized by the mode of software plus general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, above-mentioned technology
Scheme substantially in other words can be embodied in the form of software products the part that the relevant technologies contribute, the computer
Software product may be stored in a computer readable storage medium, such as ROM/RAM, magnetic disk, CD, including some instructions to
So that computer equipment (can be personal computer, server or the network equipment etc.) execute each embodiment or
Method described in certain parts of embodiment.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the application, rather than its limitations；Although
The application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, each embodiment technical solution of the application that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (12)
1. a kind of method for recognizing sound-groove of mobile device terminal, which is characterized in that the described method includes:
Acquire recording data；
Interception wakes up audio from the recording data that triggering wakes up library；
The wake-up audio that signal-to-noise ratio is greater than first threshold is subjected to gender identification；
Wake-up audio after the progress gender identification is registered into vocal print；
According to the registration successful number of vocal print, it is determined whether start the Application on Voiceprint Recognition function of the mobile device terminal.
2. the method according to claim 1, wherein in the wake-up audio that signal-to-noise ratio is greater than to first threshold
Before the step of carrying out gender identification, the method also includes:
The signal-to-noise ratio for waking up audio is compared with the first threshold；And it is less than institute in the signal-to-noise ratio for waking up audio
In the case where stating first threshold, described the step of interception wakes up audio from the recording data that triggering wakes up library is re-executed.
3. method according to claim 1 or 2, which is characterized in that the first threshold is 0.5.
4. the method according to claim 1, wherein described according to the registration successful number of vocal print, it is determined whether
The step of starting the Application on Voiceprint Recognition function of the mobile device terminal, comprising:
When the successful number of the registration vocal print reaches second threshold, start the Application on Voiceprint Recognition function of the mobile device terminal
Energy.
5. according to the method described in claim 4, it is characterized in that, the second threshold be not less than 3, and be not more than 10.
6. a kind of voice print identification device of mobile device terminal, which is characterized in that described device includes:
Sound pick-up outfit, for acquiring recording data；
Library is waken up, for the interception wake-up audio from the recording data that triggering wakes up library；
Gender identifies library, and the wake-up audio for signal-to-noise ratio to be greater than to first threshold carries out gender identification；
Registration module, for the wake-up audio after the progress gender identification to be registered vocal print；
First control module, for according to the registration successful number of vocal print, it is determined whether start the sound of the mobile device terminal
Line identification function.
7. device according to claim 6, which is characterized in that described device further include:
Second control module, for comparing the signal-to-noise ratio for waking up audio with the first threshold；And in the wake-up
In the case that the signal-to-noise ratio of audio is less than the first threshold, the wake-up library is controlled again from the recording for triggering the wake-up library
Interception wakes up audio in data.
8. device according to claim 6 or 7, which is characterized in that the first threshold is 0.5.
9. device according to claim 6, which is characterized in that when the successful number of the registration vocal print reaches second threshold
When, first control module starts the Application on Voiceprint Recognition function of the mobile device terminal.
10. device according to claim 9, which is characterized in that the second threshold is not less than 3, and is not more than 10.
11. a kind of electronic equipment comprising: at least one processor, and connect at least one described processor communication
Memory, wherein the memory be stored with can by least one described processor execute instruction, described instruction by it is described extremely
A few processor executes, so that at least one described processor is able to carry out any one of claim 1-5 the method
The step of.
12. a kind of storage medium, is stored thereon with computer program, which is characterized in that the realization when program is executed by processor
The step of any one of claim 1-5 the method.
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